CN108398264B - RV speed reducer and test bench connection tool and RV speed reducer test bench - Google Patents
RV speed reducer and test bench connection tool and RV speed reducer test bench Download PDFInfo
- Publication number
- CN108398264B CN108398264B CN201810439236.3A CN201810439236A CN108398264B CN 108398264 B CN108398264 B CN 108398264B CN 201810439236 A CN201810439236 A CN 201810439236A CN 108398264 B CN108398264 B CN 108398264B
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- speed reducer
- reducer
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- main shaft
- test
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 90
- 238000012360 testing method Methods 0.000 title claims abstract description 60
- 230000007704 transition Effects 0.000 claims abstract description 19
- 230000008878 coupling Effects 0.000 claims description 16
- 238000010168 coupling process Methods 0.000 claims description 16
- 238000005859 coupling reaction Methods 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 206010044565 Tremor Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/025—Test-benches with rotational drive means and loading means; Load or drive simulation
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a tool for connecting an RV reducer with a test bed and the RV reducer test bed. The tool for connecting the RV reducer with the test bed comprises a main shaft and a bearing seat connected with the main shaft through a bearing, wherein one side of the bearing seat is connected with a transition connecting disc used for fixedly connecting the tested reducer with one side of the bearing seat, and one end of the main shaft, which is directed to the tested reducer, is rigidly connected with an input gear shaft for testing, which is connected with the tested reducer through the other end of the main shaft. The input gear shaft for the test is rigidly connected with the main shaft arranged in the driving bearing seat, so that the high-speed balance is more excellent, and the vibration and the noise are controllable and smaller; and the input gear shaft and the main shaft are connected in a mandrel enclasping mode, so that the coaxiality is good.
Description
Technical Field
The invention relates to the technical field of test tables, in particular to a tool for connecting an RV reducer with a test table and the RV reducer test table.
Background
Along with the rapid development of the robot industry, the requirements of the robot speed reducer on the aspects of transmission precision, vibration, noise, service life and the like are higher and higher. This places higher demands on the decelerator laboratory bench.
Conventional test stands typically place motors, accelerators, sensors, etc. in sequence for testing. In order to perform relevant tests of the RV reducer, such as overspeed test, overload test and efficiency test, and record temperature rise, vibration and noise data during the test, the test piece is usually mounted on a test stand, and the test stand usually comprises a driving system and a loading system; the tested piece needs to be fixedly installed on the driving system, the current connection tool structure connected with the driving system by the connection tool is complex, the connection installation often leads to lower installation accuracy, and the analysis of the experimental result of the speed reducer is greatly influenced, so that improvement is needed.
Disclosure of Invention
The invention aims at solving the technical defects in the prior art and provides a tool for connecting an RV reducer with a test bed and the RV reducer test bed.
The technical scheme adopted for realizing the purpose of the invention is as follows:
the utility model provides a frock is connected with test bench to RV speed reducer, includes the main shaft and with the bearing frame that the main shaft passes through the bearing to be connected, one side of bearing frame is connected with the transition connection pad that is used for being connected with test speed reducer and bearing frame one side fixed connection, the directional one end rigid connection of being used for of main shaft is connected with the test input gear axle of being connected with the test speed reducer through the other end.
The input gear shaft for the test is connected with the main shaft through a shaft clamping structure.
And two ends of the transition connecting disc are provided with positioning inner rabbets so as to realize positioning connection and fixing with the bearing seat and the tested speed reducer.
The transition connecting disc is connected with the bearing seat and the tested speed reducer through screws.
In another aspect, the invention provides an RV reducer test stand, comprising a lathe bed, a driving motor, a driving side torque sensor and an RV reducer connecting tool, wherein the driving motor is installed on the lathe bed through a first sliding table, the driving motor is in coaxial transmission connection with the driving side torque sensor, and the driving side torque sensor is in coaxial transmission connection with the RV reducer connecting tool; and the loading motor, the speed reducer connected with the loading motor and the loading side torque sensor connected with the other end of the speed reducer are installed on the lathe bed through the second sliding table, and the RV speed reducer connection tool adopts the RV speed reducer and test bed connection tool.
And two ends of the loading side torque sensor are respectively provided with a diaphragm coupling, one diaphragm coupling is connected with the speed reducer, and the other diaphragm coupling is used for being connected with an output coupling shaft arranged on the tested speed reducer.
The connecting end of the diaphragm coupler, which is used for being connected with an output connecting shaft arranged on the tested speed reducer, is provided with an internal spline structure, and is connected with the output connecting shaft through the internal spline structure.
The first sliding table is a cross sliding table capable of realizing X, Y movement, and the second sliding table is an axially moving sliding table.
The first sliding table and the second sliding table are both provided with adjusting handwheels.
According to the tool for connecting the RV reducer with the test bed, the input gear shaft for test is rigidly connected with the main shaft arranged in the driving bearing seat, so that the high-speed balance is superior to that of floating connection in an elastic coupling connection mode, and the vibration and noise are controllable and small;
the input gear shaft and the main shaft are connected in a mandrel enclasping mode, so that the coaxiality is good, the coaxiality error after assembly is smaller than 0.006mm through a process mandrel calibration mode, and the structure is simple;
the tested speed reducer is connected with the bearing seat through the annular transition connecting disc, the two ends of the transition connecting disc are positioned by the inner rabbets, and the inner rabbets at the two ends can be clamped at one time to finish processing, so that very high coaxiality can be easily ensured, the coaxiality error is less than 0.005mm, the rapid and accurate connection between the tested speed reducer and the driving end can be realized, and the coaxiality error of a main shaft of the bearing seat and the main shaft of the tested speed reducer can be ensured to be within 0.02 mm;
the bearing seat can adopt an SKF self-lubricating bearing or an SKF oil spraying lubrication starting mode, and good heat stability and stability of the bearing seat under a high-speed working condition can be ensured.
Drawings
FIG. 1 is a schematic structural diagram of a tool for connecting an RV reducer with a test bed;
fig. 2 is a schematic structural view of an RV reducer test stand having the connection tool shown in fig. 1 installed.
Detailed Description
The invention is described in further detail below with reference to the drawings and the specific examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1, an RV reducer and test bed connection tool includes a main shaft 40 and a bearing seat 20 connected with the main shaft through a bearing 21, bearing end covers 22 on two sides of the bearing seat, one side of the bearing seat is connected with a transition connection disc 10 for fixedly connecting a tested reducer 100 with one side of the bearing seat, one end of the main shaft pointing to the tested reducer 100 is rigidly connected with an input gear shaft 30 for testing, which is connected with the tested reducer 100 through the other end, and the tested reducer is connected with a transition output shaft 110.
The other end of the main shaft is connected with a driving side torque sensor 2 through a coupling, and the driving side torque sensor 2 is connected with an output shaft of a driving motor 1, as shown in fig. 1.
The input gear shaft for the test and the main shaft can be rigidly connected through a shaft clamping structure for the existing shaft connection.
And two ends of the transition connecting disc are provided with positioning inner rabbets so as to realize positioning connection and fixing with the bearing seat and the tested speed reducer.
The transition connecting disc is connected with the bearing seat and the tested speed reducer through axial screws, namely, the transition connecting disc is connected with the bearing seat and the tested speed reducer through screws after being positioned through corresponding positioning rabbets respectively.
In order to meet the test of different types of speed reducers, different adapting transition connecting discs and adapting connecting shafts can be specifically adopted. The output end adapting connecting shaft needs to be compatible with the installation of the output shaft grating measuring system, and in order to avoid errors caused by deformation, the output end connecting shaft is required to have enough rigidity.
According to the tool for connecting the RV reducer with the test bed, the input gear shaft for test is rigidly connected with the main shaft arranged in the driving bearing seat, so that the high-speed balance is superior to that of floating connection in an elastic coupling connection mode, and the vibration and noise are controllable and small;
the input gear shaft and the main shaft are connected in a mandrel enclasping mode, so that the coaxiality is good, the coaxiality error after assembly is smaller than 0.006mm through a process mandrel calibration mode, and the structure is simple;
the tested speed reducer is connected with the bearing seat through the annular transition connecting disc, the two ends of the transition connecting disc are positioned by the inner rabbets, and the inner rabbets at the two ends can be clamped at one time to finish processing, so that very high coaxiality can be easily ensured, the coaxiality error is less than 0.005mm, the rapid and accurate connection between the tested speed reducer and the driving end can be realized, and the coaxiality error of a main shaft of the bearing seat and the main shaft of the tested speed reducer can be ensured to be within 0.02 mm;
the bearing seat can adopt an SKF self-lubricating bearing or an SKF oil spraying lubrication starting mode, and good heat stability and stability of the bearing seat under a high-speed working condition can be ensured.
Referring to fig. 2, another aspect of the present invention is to provide an RV speed reducer test bench, including a bed 200, a driving motor 1, a driving side torque sensor 2 and an RV speed reducer connection tool 300 for fixing an RV speed reducer on a driving end, which are mounted on the bed through a first sliding table 210, wherein the driving motor is coaxially and drivingly connected with the driving side torque sensor, and the driving side torque sensor is coaxially and drivingly connected with the RV speed reducer connection tool; and a loading motor 4 installed on the lathe bed through a second sliding table 220, a speed reducer 3 connected with the loading motor, and a loading side torque sensor 5 connected with the other end of the speed reducer, wherein the RV speed reducer connection tool adopts the RV speed reducer and test bed connection tool described in the above embodiment.
The two ends of the loading side torque sensor are respectively provided with a diaphragm coupling 6, one diaphragm coupling is connected with the speed reducer, and the other diaphragm coupling is used for being connected with an output connecting shaft 110 arranged on the tested speed reducer.
The connecting end of the diaphragm coupler 6, which is used for being connected with an output connecting shaft arranged on a tested speed reducer, is provided with an internal spline structure, and is connected with the output connecting shaft through the internal spline structure. The output connecting shaft of the tested speed reducer is connected with the tested speed reducer by adopting a flange, and is connected with the loading end by adopting a spline structure, namely, one side of the diaphragm coupler on the left side of the torque sensor 5 at the loading end, which is connected with the output connecting shaft, is designed into an internal spline structure, so that the output connecting shaft is connected with the output connecting shaft 110, and the separation and connection of the output connecting shaft and the diaphragm separator can be easily realized through the axial movement of the output connecting shaft.
The first sliding table is a cross sliding table capable of achieving X, Y movement, and the second sliding table is an axially moving sliding table.
Wherein, the first sliding table and the second sliding table are both provided with an adjusting hand wheel 230.
The test bed has small vibration sensitivity and high reliability, can move in the X, Y direction at the driving end, and can be suitable for testing RV-E, N series and RV-C series speed reducers.
The lathe bed adopts cast iron structure, because the driving rotation speed is higher, the design of lathe bed needs to avoid producing resonance, carries out vibration prevention and vibration isolation design, and the design thickness of lathe bed 300mm for this reason effectively prevents the tremble that produces in the test process. In order to not only have higher guiding precision, but also ensure that the system has higher rigidity, a high-precision sliding guide rail is adopted by a sliding table of the loading adjusting mechanism, and the guiding precision of the guide rail is not lower than 0.01mm/m.
According to the test bed, the input gear shaft for test is rigidly connected with the main shaft arranged in the driving bearing seat, so that the high-speed balance of the floating connection is superior to that of the floating connection in the elastic coupling connection mode, and the vibration and the noise are controllable and small;
the input gear shaft and the main shaft are connected in a mandrel enclasping mode, so that the coaxiality is good, the coaxiality error after assembly is smaller than 0.006mm through a process mandrel calibration mode, and the structure is simple;
the tested speed reducer is connected with the bearing seat through the annular transition connecting disc, the two ends of the transition connecting disc are positioned by the inner rabbets, and the inner rabbets at the two ends can be clamped at one time to finish processing, so that very high coaxiality can be easily ensured, the coaxiality error is less than 0.005mm, the rapid and accurate connection between the tested speed reducer and the driving end can be realized, and the coaxiality error of a main shaft of the bearing seat and the main shaft of the tested speed reducer can be ensured to be within 0.02 mm;
the bearing seat can adopt an SKF self-lubricating bearing or an SKF oil spraying lubrication starting mode, and good heat stability and stability of the bearing seat under a high-speed working condition can be ensured.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (7)
1. Frock is connected with test bench to RV speed reducer, its characterized in that includes: the device comprises a main shaft and a bearing seat connected with the main shaft through a bearing, wherein one side of the bearing seat is connected with a transition connecting disc used for fixedly connecting a tested speed reducer with one side of the bearing seat, one end of the main shaft, which is directed to the tested speed reducer, is rigidly connected with an input gear shaft for testing, which is connected with the tested speed reducer through the other end of the main shaft, the other end of the main shaft is connected with a torque sensor at the driving side through a coupling, the torque sensor at the driving side is connected with an output shaft of a driving motor, and the input gear shaft for testing is connected with the main shaft through a shaft tightening structure; and two ends of the transition connecting disc are provided with positioning inner rabbets so as to realize positioning connection and fixing with the bearing seat and the tested speed reducer.
2. The RV reducer and test bed connection tool of claim 1 wherein the transition connection disc is screwed to the bearing housing and the tested reducer.
3. The RV speed reducer test bed comprises a lathe bed body, a driving motor, a driving side torque sensor and an RV speed reducer connecting tool, wherein the driving motor, the driving side torque sensor and the RV speed reducer connecting tool are arranged on the lathe bed body through a first sliding table, the driving motor is in coaxial transmission connection with the driving side torque sensor, and the driving side torque sensor is in coaxial transmission connection with the RV speed reducer connecting tool; and a loading motor arranged on the lathe bed through a second sliding table, a speed reducer connected with the loading motor and a loading side torque sensor connected with the other end of the speed reducer, wherein the RV speed reducer connection tool adopts the RV speed reducer and test bed connection tool according to any one of claims 1-2.
4. The RV reducer test stand of claim 3 wherein the loading side torque sensor has respective diaphragm couplings at each end, one of the diaphragm couplings being connected to the reducer and the other diaphragm coupling being adapted to be connected to an output coupling mounted on the reducer under test.
5. The RV reducer test stand of claim 4 wherein the connection end of the diaphragm coupler for connection to an output connection shaft mounted on a reducer under test has an internal spline structure through which it is connected to the output connection shaft.
6. The RV reducer test stand of claim 4 wherein said first slipway is a cross slipway that enables X, Y movement and said second slipway is an axially moving slipway.
7. The RV reducer test stand of claim 4 wherein the first sliding table and the second sliding table are both provided with adjusting handwheels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810439236.3A CN108398264B (en) | 2018-05-09 | 2018-05-09 | RV speed reducer and test bench connection tool and RV speed reducer test bench |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810439236.3A CN108398264B (en) | 2018-05-09 | 2018-05-09 | RV speed reducer and test bench connection tool and RV speed reducer test bench |
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| Publication Number | Publication Date |
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| CN108398264A CN108398264A (en) | 2018-08-14 |
| CN108398264B true CN108398264B (en) | 2024-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810439236.3A Active CN108398264B (en) | 2018-05-09 | 2018-05-09 | RV speed reducer and test bench connection tool and RV speed reducer test bench |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109323857B (en) * | 2018-11-23 | 2020-05-05 | 福建江夏学院 | Novel variable speed pump test bed tool and working method thereof |
| CN110332301A (en) * | 2019-07-15 | 2019-10-15 | 中机生产力促进中心 | A kind of fast accurate centering attachment device |
| CN111189634B (en) * | 2020-03-18 | 2022-05-10 | 天津旗领机电科技有限公司 | Large RV reducer transmission error testing device and testing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140358453A1 (en) * | 2013-05-31 | 2014-12-04 | Honda Motor Co., Ltd. | Robot reducer predictive trending |
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